Rough running immediately after a cold start

Bulletin number

B122117

Component

Exterior lighting

Summary

ROUGH RUNNING IMMEDIATELY AFTER A COLD START: Immediately after a cold start the engine may run roughly during the catalyst heating period. Depending on the severity of this situation the malfunction indicator lamp (MIL) can be illuminated and the following fault code may be set: Fault code Control module Fault code text 151001 DME Ignition angle adjustment while idle speed cold start: ignition angle early In some circumstances if the vehicle is switched into a drive gear (R or D) when the RPM are low the engine may switch off. Should this occur the engine may be restarted normally. Software error in the DME.

Owners of these vehicles have filed 9 complaints in the lights category.